CN106769506A - Similarity simulation experiment platform and Effects of Supporting experimental test procedures - Google Patents
Similarity simulation experiment platform and Effects of Supporting experimental test procedures Download PDFInfo
- Publication number
- CN106769506A CN106769506A CN201611119756.3A CN201611119756A CN106769506A CN 106769506 A CN106769506 A CN 106769506A CN 201611119756 A CN201611119756 A CN 201611119756A CN 106769506 A CN106769506 A CN 106769506A
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- group
- detachable
- lateral
- cylinder group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Similarity simulation experiment platform of the present invention and Effects of Supporting experimental test procedures are related to a kind of similarity simulation experiment platform and method of testing for testing Effects of Supporting.Two groups of top compression oil cylinder groups, two groups of lateral movement compression systems and one group of Bolt System that similarity simulation experiment platform of the present invention includes experiment table frame and is arranged in experiment table frame, can be with the supporting effect of simulation test anchor rod system；Effects of Supporting experimental test procedures of the present invention use above-mentioned experimental bench, can realize the experiment test of Effects of Supporting, and method of testing is simple, and test result is accurate.
Description
Technical field
The present invention relates to a kind of experimental bench, more particularly to a kind of experimental bench for testing Effects of Supporting；This hair
It is bright to further relate to a kind of method that utilization experimental bench tests anchor rod system supporting effect.
Background technology
In the underground space engineering such as mining, tunnel, subway, the application using suspension roof support anchoring country rock is quite varied,
It is also an important part in engineering design to the inspection of Effects of Supporting.Anchor pole, to the anchorage effect of country rock, is not single
What anchor pole was realized, but the multiple anchor poles in anchor rod system interact what is realized.
It with local single anchor pole is object to be to the simulation of Effects of Supporting in the prior art, also without can be to anchor pole system
The apparatus and method that system carries out experimental simulation.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of similar mould that experimental simulation can be carried out to whole anchor rod system
Draft experiment platform；The invention solves the problems that another technical problem be to provide a kind of Effects of Supporting experimental test procedures, its profit
Supporting effect experiment test is carried out to anchor rod system with above-mentioned experimental bench, it is more reliable with the data that test is simple, test is obtained
Advantage.
Similarity simulation experiment platform of the present invention, including the two groups of top compressions tested table frame and be arranged in experiment table frame
Oil cylinder group, two groups of lateral movement compression systems and one group of Bolt System, the experiment table frame are rectangular frame, the reality
Test table frame including base, top flap, left side baffle plate, right-hand apron, the detachable sideboard in multiple outside, multiple inner sides can
Dismounting sideboard, the base, top flap, left side baffle plate, right-hand apron surround the rectangular frame, and multiple outsides are removable
The front side that sideboard is arranged on rectangular frame is unloaded, multiple detachable sideboards in inner side are arranged on the rear side of rectangular frame, institute
State the front and rear arrangement of top compression oil cylinder group and be spaced the bottom for being fixed on top flap, two groups of lateral movement compression systems are in experiment
Time interval arrangement in table frame, compression system is displaced sideways described in every group includes lateral position hydraulic driving oil cylinder group, lateral
Pressurization oil cylinder group, mobile regulating platform, laterally pressurize baffle plate, the lateral position hydraulic driving oil cylinder group and described lateral pressurization
Oil cylinder group each parallel to base set, the mobile regulating platform and it is described it is lateral pressurization baffle plate be each perpendicular to base setting, institute
State the lower end of mobile regulating platform, the lower end of the lateral pressurization baffle plate to be slidably connected with the base respectively, the lateral position
One end of hydraulic driving oil cylinder group is fixed on the right flank of left side baffle plate, the other end of the lateral position hydraulic driving oil cylinder group
The left surface of the mobile regulating platform is fixed on, one end of the lateral pressurization oil cylinder group is fixed on the right side of the mobile regulating platform
Side, the other end of the lateral pressurization oil cylinder group is fixed on the left surface of the lateral pressurization baffle plate, and multiple outsides can
Dismounting sideboard be arranged side by side and the detachable sideboard in outside two ends respectively with the mobile regulating platform and the right side
Baffle plate connect, multiple detachable sideboards in inner side be arranged side by side and the detachable sideboard in inner side two ends respectively with institute
Mobile regulating platform and right-hand apron connection are stated, Bolt System is arranged in experimental framework, the Bolt System
Including spaced apart multiple T-shaped brackets, upper cover plate, bottom plate, the lower end of the vertical section of the T-shaped bracket is fixed with base and is connected
Connect, the horizontal segment of multiple T-shaped brackets is located at sustained height, and the bottom plate is supported on the level of multiple T-shaped brackets
Section top, the mounting plate parallel to bottom plate set and positioned at the top of the bottom plate, it is described it is lateral pressurization baffle plate, on
Simulation material is formed between cover plate, bottom plate, right-hand apron, the detachable sideboard in outside, the detachable sideboard in inner side to hold
Carry space.
Similarity simulation experiment platform of the present invention, wherein, compression system is displaced sideways described in every group also includes the lock being vertically arranged
Tight push rod, the locking push rod is with multistage and may be locked in the telescopic rod of optional position, the lower end of the locking push rod
The upper end of the mobile regulating platform is fixed on, upper end and the bottom of top flap of the locking push rod offset.
Similarity simulation experiment platform of the present invention, wherein, the Bolt System also includes at least two angle bar, two angle bar
It is respectively fixedly connected with lateral pressurization baffle plate and right-hand apron, two angle bar are located at sustained height.
Similarity simulation experiment platform of the present invention, wherein, top compression oil cylinder group described in every group includes 8 the first oil cylinders.
Similarity simulation experiment platform of the present invention, wherein, lateral position hydraulic driving oil cylinder group described in every group includes 3 second oil
Cylinder.
Similarity simulation experiment platform of the present invention, wherein, lateral pressurization oil cylinder group includes 3 the 3rd oil cylinders described in every group.
Similarity simulation experiment platform of the present invention, wherein, also including control system, the control system is used to control top compression
Oil cylinder group, lateral position hydraulic driving oil cylinder group, the keying and motion of lateral pressurization oil cylinder group.
Similarity simulation experiment platform of the present invention, wherein, also including control system, the control system is used to control the first oil
Cylinder, the second oil cylinder, the cylinder rod of the 3rd oil cylinder it is flexible.
Similarity simulation experiment platform of the present invention is that similarity simulation experiment platform of the present invention includes with the difference of prior art
Top compression oil cylinder group and lateral pressurization oil cylinder group, can simultaneously realize top compression and lateral pressurization, preferably to some sides
The larger geological conditions of pressure is simulated, while similarity simulation experiment platform of the present invention includes Bolt System, can be to anchor pole
Supporting effect is simulated test, and similarity simulation experiment platform of the present invention is by setting lateral movement compression system so that actually enter
The length and width of the experimental bench of row simulated experiment can be adjusted, and can carry out the three-dimensional simulation reality of whole Bolt System
Test.
Effects of Supporting experimental test procedures of the present invention, it uses above-mentioned experimental bench, comprises the following steps：Step 1, root
According to live roof condition, it is used to simulate the simulation material of roof rock mass, coal body by certain sillar particle size distribution, according to the anchor of design
Bar intensity, multiple anchor poles of simulation are made according to similarity relation；Step 2, experimental bench is adjusted to roadway support simulation model,
And bottom plate is installed on into specified altitude assignment to constitute the base plate of simulation material packing space, install the detachable sideboard in outside and
The detachable sideboard in inner side, will match the simulation material injection of completion by the front and rear two groups detachable active catchs in outside in step 1
The bearing space that plate and bottom plate are surrounded, adds similar materials layer, and multiple strain gauges are imbedded in centre position
In similar materials layer, upper cover plate covering is installed on bearing space top, afterwards pressurization compacting；Step 3, according to anchor pole branch
Shield design, installs anchor pole；Step 4, upper cover plate and bottom plate are dismantled, start top compression oil cylinder group and/or it is lateral plus
Compressing cylinder group is pressurizeed to the model that simulation material and anchor pole are formed, and according to the Monitoring Data of strain gauge, is realized to anchor
The experiment test of bar supporting effect.
Effects of Supporting experimental test procedures of the present invention, wherein, in the step 2, the lower surface and subiculum of upper cover plate
Plate upper surface is provided with multiple pluggable aperture switch plates.
The difference of Effects of Supporting experimental test procedures of the present invention and prior art is to utilize in the present invention
Device is above-mentioned experimental bench, and the train length and width of the experimental bench can be adjusted, and can realize that three-dimensional simulation is tested, it is possible to achieve
Three-dimensional simulation experiment to whole anchor rod system, supporting effect experiment test is carried out to anchor rod system using above-mentioned experimental bench, is surveyed
Examination is simple, and the present invention can measure the data in the overlaying influence area of the anchor force of multiple anchor poles in anchor rod system, what test was obtained
Data are more reliable.
Similarity simulation experiment platform of the invention is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the front view of similarity simulation experiment platform of the present invention；
Fig. 2 is lateral movement compression system distribution schematic diagram in similarity simulation experiment platform of the present invention；
Fig. 3 is the structural representation of simulation anchor pole in Effects of Supporting experimental test procedures of the present invention；
Fig. 4 is the distribution schematic diagram of aperture switch plate on bottom plate in Effects of Supporting experimental test procedures of the present invention；
Fig. 5 is the schematic diagram of anchor rod anchored parameter test method in Effects of Supporting experimental test procedures of the present invention,
It is the model schematic of the simulation material and anchor pole applied in Effects of Supporting experimental test procedures of the present invention.
Wherein：1- tests table frame, 11- bases, 12- top flaps, 13- left sides baffle plate, 14- right-hand aprons, 15- outsides
Detachable sideboard, the detachable sideboard in 15 '-inner side, 2- top compression oil cylinder groups, 3- lateral movement compression systems, 31-
Lateral position hydraulic driving oil cylinder group, 32- laterally pressurizes oil cylinder group, 33- movement regulating platforms, and 34- laterally pressurizes baffle plate, 35- locks
Tight push rod, 4- Bolt Systems, 41-T type brackets, 42- bottom plates, 43- angle bar, 44- upper cover plates, 45- rockbolt installations hole,
46- apertures switch plate, 102- anchor poles row's spacing, 103- Bolted Rock Masses thickness, 104- both-end fixing anchor bars, 105- anchor rod bodies,
106- anchor pole heads, 108- clamp nuts, 109- anchor rod pallet boards, 111- primitive stress area, 201- strain gauges, the similar moulds of 202-
Intend material layer, 203- anchor forces boundary line, the single anchor-holding force of anchor bolt zones of influence of 204-, 205- anchor force overlaying influences area.
Specific embodiment
With reference to shown in Fig. 1 and Fig. 2, similarity simulation experiment platform of the present invention includes experiment 1, two groups of top compression oil cylinders of table frame
Group 2, two groups of lateral movement compression systems 3, Bolt Systems 4, control system, control system, control system not shown in figure
Keying and action for controlling top compression oil cylinder group 2, lateral movement compression system 3, two groups of top compression oil cylinder groups 2, two
Group lateral movement compression system 3 and Bolt System 4 are arranged in experiment table frame 1, and experiment table frame 1 is rectangle frame
Frame, experiment table frame 1 includes base 11, top flap 12, left side baffle plate 13, right-hand apron 14, the detachable activity in multiple outsides
Baffle plate 15, the detachable sideboard 15 ' in multiple inner sides, base 11, top flap 12, left side baffle plate 13, right-hand apron 14 are surrounded
Rectangular frame, multiple detachable sideboards 15 in outside are arranged on the outside of rectangular frame, multiple detachable sideboards in inner side
15 ' the inner sides for being arranged on rectangular frame, every group of top compression oil cylinder group 2 includes 8 the first oil cylinders, and every group of lateral position hydraulic pressure drives
Dynamic oil cylinder group 31 includes 3 the second oil cylinders, and every group of oil cylinder group 32 of laterally pressurizeing includes 3 the 3rd oil cylinders.
Arrange and be spaced with reference to shown in Fig. 1 and Fig. 2, before and after two groups of top compression oil cylinder groups 2 and be fixed on top flap 12
Bottom, two groups of lateral movement compression systems 3 time interval arrangement in experiment table frame 1, every group of lateral movement compression system 3 is wrapped
Lateral position hydraulic driving oil cylinder group 31, lateral pressurization oil cylinder group 32, mobile regulating platform 33, lateral pressurization baffle plate 34 are included, laterally
It is position hydraulic driving oil cylinder group 31 and lateral pressurization oil cylinder group 32 to be set each parallel to base 11, mobile regulating platform 33 and side
Be each perpendicular to base 11 and set to pressurization baffle plate 34, the lower end of mobile regulating platform 33, lateral pressurization baffle plate 34 lower end respectively with
Base 11 is slidably connected, and one end of lateral position hydraulic driving oil cylinder group 31 is fixed on the right flank of left side baffle plate 13, lateral position
The other end for putting hydraulic driving oil cylinder group 31 is fixed on the left surface of mobile regulating platform 33, and one end of lateral pressurization oil cylinder group 32 is consolidated
The right flank of mobile regulating platform 33 is scheduled on, the other end of lateral pressurization oil cylinder group 32 is fixed on the left side of lateral pressurization baffle plate 34
Face, is provided with track on base 11, the lower end of mobile regulating platform 33, the lower end of lateral pressurization baffle plate 34 are provided with chute, sliding
Groove causes that mobile regulating platform 33 and lateral pressurization baffle plate 34 can be slided on the pedestal 11 with track cooperation, lateral position hydraulic-driven
Oil cylinder group 31 can drive mobile regulating platform 33 to slide on the pedestal 11, and the flexible of lateral pressurization oil cylinder group 32 can drive lateral adding
Pressure baffle plate 34 is slided on the pedestal 11.
With reference to shown in Fig. 1 and Fig. 2, multiple detachable sideboards 15 in outside are arranged side by side and the detachable sideboard in outside
15 two ends are connected with mobile regulating platform 33 and right-hand apron 14 respectively, and multiple detachable sideboards 15 ' in inner side are arranged side by side
And the two ends of the detachable sideboard 15 ' in inner side are connected with mobile regulating platform 33 and right-hand apron 14 respectively, Bolt System 4
The arrangement in experimental framework 1, Bolt System 4 includes spaced apart multiple T-shaped brackets 41, upper cover plate 44, bottom plate 42,
The lower end of the vertical section of T-shaped bracket 41 is fixedly connected with base 11, and the horizontal segment of multiple T-shaped brackets 41 is located at sustained height, under
Supporting plate 42 is supported on the top of the horizontal segment of multiple T-shaped brackets 41, and upper cover plate 44 is set and positioned at subiculum parallel to bottom plate 42
The top of plate 42, lateral pressurization baffle plate 34, upper cover plate 44, mounting plate 42, the detachable sideboard 15 of right-hand apron 14, outside,
Simulation material bearing space is formed between the detachable sideboard 15 ' in inner side.
As depicted in figs. 1 and 2, every group of lateral movement compression system 3 also includes the locking push rod 35 being vertically arranged, and locking is pushed away
Bar 35 is with multistage and may be locked in the telescopic rod of optional position, and the lower end for locking push rod 35 is fixed on mobile regulating platform 33
Upper end, lock push rod 35 upper end offseted with the bottom of top flap 12.
As shown in Figure 1 and Figure 2, Bolt System 4 also includes at least two angle bar 43, and two angle bar 43 are fixed respectively to be connected
It is connected on lateral pressurization baffle plate 34 and right-hand apron 14, two angle bar 43 are located at sustained height, and bottom plate 42 may be supported on T-shaped support
On frame and its two ends can be stuck on two angle bar 43, and two angle bar 43 have and block bottom plate 42 and make the work of its not upward play
With additionally, when Effects of Supporting simulated experiment is carried out, install anchor pole needs to dismantle down bottom plate 42 for a period of time afterwards
Come, now, two angle bar 43 will play a supporting role to the lower edge of simulation material, be used to simulate the perimeter strip under truth
Part.
Control system is used to control top compression oil cylinder group, lateral position hydraulic driving oil cylinder group, lateral pressurization oil cylinder group
Keying and motion.Control system can control the first oil cylinder, the second oil cylinder, the cylinder rod of the 3rd oil cylinder it is flexible.With reference to Fig. 1 and
The bottom for being fixed on top flap 12, every group of top compression are arranged and are spaced shown in Fig. 2, before and after two groups of top compression oil cylinder groups 2
The cylinder barrel of 8 the first oil cylinders in oil cylinder group 2 is fixed on the bottom of top flap 12, and the first oil cylinder is vertically arranged, and every group lateral
The equal level of the second oil cylinder and interval setting in position hydraulic driving oil cylinder group 31, the cylinder barrel of the second oil cylinder with left side baffle plate 13
It is fixedly connected, the end of the cylinder rod of the second oil cylinder is fixed with the left surface for moving regulating platform 33, the every group of oil cylinder that laterally pressurizes
3 the 3rd equal levels of oil cylinder and interval setting in 32 are organized, the cylinder barrel of the 3rd oil cylinder is fixed with the right flank for moving regulating platform
Connection, the end of the cylinder rod of the 3rd oil cylinder is fixedly connected with lateral pressurization baffle plate 34, lateral position hydraulic driving oil cylinder group
The first oil cylinder in 31 stretches and mobile regulating platform can be driven to be slided on base 1.Two groups of lateral position liquid in experimental bench of the present invention
By control system independent control, the first oil cylinder in every group of lateral position hydraulic driving oil cylinder group 31 between pressure driving oil cylinder group 31
By control system Synchronization Control；By control system independent control, the every group of oil that laterally pressurizes between multigroup lateral pressurization oil cylinder group 32
The 3rd oil cylinder in cylinder group 32 is by control system Synchronization Control；Independently controlled by control system between two groups of top compression oil cylinder groups 2
System, the first oil cylinder in every group of top compression oil cylinder group 2 controls independent fuel feeding by control system.
When using, second oil cylinder of lateral position hydraulic driving oil cylinder group 31 stretches in similarity simulation experiment platform of the present invention,
Drive mobile regulating platform 33 to horizontally slip on the pedestal 11, and then drive lateral pressurization baffle plate 34 to move, mobile regulating platform 33 is moved
Move during to appropriate location, locking locking push rod 35, the upper end for locking push rod 35 offsets with the bottom of top board baffle plate 12, is adjusted mobile
The current location locking of platform 33 is saved, prevents from moving regulating platform 33 continuing to move to, appropriate location refers to cause that experimental bench width is suitable
In the requirement of experiment.With reference to shown in Fig. 1 and Fig. 2, multiple bolts hole 331 are provided with mobile regulating platform 33, on right-hand apron 14
The detachable sideboard 15 in front side connection outside of multiple bolts hole 141, mobile regulating platform 33 and right-hand apron 14 is provided with, is moved
The detachable sideboard 15 ' in rear side connection inner side of dynamic regulating platform 33 and right-hand apron 14, the detachable sideboard 15 in outside
The left end of the detachable sideboard 15 ' of left end and inner side is connected by bolt 16 and bolt hole 331 with mobile regulating platform 33, outside
The right-hand member of the detachable sideboard 15 ' of right-hand member and inner side of detachable sideboard 15 is by bolt 17 and bolt hole 141 and the right side
Side shield 14 is connected, multiple detachable sideboards 15 in outside be arranged side by side and the detachable sideboard 15 in two neighboring outside it
Between it is very close to each other, multiple detachable sideboards 15 ' in inner side are arranged side by side and the detachable sideboard 15 ' in two neighboring inner side does not have
There is gap, lateral pressurization baffle plate 34, bottom plate 42, upper cover plate 44, the detachable sideboard 15, inner side of right-hand apron 14, outside
Simulation material bearing space is formed between detachable sideboard 15 ', simulation material bearing space is used to insert analog simulation material
Material.The number of the detachable sideboard 15 in outside and the detachable sideboard 15 ' in inner side can be selected with experimental height.
Similarity simulation experiment platform of the present invention can realize that an experimental bench is provided simultaneously with two-dimentional analog simulation, three-dimensional similar mould
The function of plan, reduces experiment equipment cost and takes up an area, and improves the utilization ratio of experimental bench；Similarity simulation experiment platform of the present invention exists
When carrying out two-dimentional analog simulation, top compression and lateral pressurization can be simultaneously realized, ground that can be preferably larger to some side pressures
Matter condition is simulated；Similarity simulation experiment platform of the present invention can also be realized being carried out while two groups of two-dimentional similarity simulation experiments,
Improve the operating efficiency of experiment.Similarity simulation experiment platform of the present invention is being carried out when two-dimensional analog is tested, it is necessary to removable on the inside of installing
Sideboard 15 ' is unloaded, right-hand apron 14 can be set to two blocks of split plates, there is interval between two blocks of split plates, the present invention is similar
When simulated experiment platform carries out three-dimensional analog simulation, such as when carrying out testing the experiment of anchor rod system supporting effect, it is not necessary to install
The detachable sideboard 15 ' in inner side, it is only necessary to install the detachable sideboard 15 in outside, and need 14 two pieces points of right-hand apron
Interval closing between body plate, the interval between two pieces of lateral pressurization baffle plates 34 is also required to closing, could so form simulation material
Material bearing space.The detachable sideboard 15 ' in inner side will choose whether according to actual needs in similarity simulation experiment platform of the present invention
Install.
The most important effect of similarity simulation experiment platform of the present invention is, for testing anchor rod system supporting effect, when using, to incite somebody to action
Experimental bench is adjusted to appropriate location, and bottom plate 44 is installed on into specified altitude assignment to constitute the base plate of simulation material bearing space, installs
The detachable sideboard 15 in former and later two outsides, the simulation material injection that will match completion is detachable by front and rear two groups outsides
The bearing space that sideboard 15 and bottom plate 42 are surrounded, similar materials layer is added in centre position, and by multiple stress
In sensor embedment similar materials layer, the covering of mounting plate 42 is installed on bearing space top, afterwards pressurization compacting, then root
According to Design of bolt support scheme, anchor pole is installed, afterwards dismantles upper cover plate 44 and bottom plate 42, start top compression oil cylinder group
And/or lateral pressurization oil cylinder group is pressurizeed to the model that simulation material and anchor pole are formed, and record the monitoring of strain gauge
Data, realize the experiment test to Effects of Supporting.
Effects of Supporting experimental test procedures of the present invention, the device and material of use have：1st, above-mentioned analog simulation reality
Platform is tested, as shown in Figure 1；The simulation materials such as rock, coal body the 2nd, used by analog simulation, the simulation material is with engineering site top board
Reference, meets the parameter that the theory of similarity is obtained；3rd, the anchor pole 104 used by analog simulation, the anchor pole is to join with Theoretical Design anchor pole
According to meeting the bolt design parameters that the theory of similarity is obtained；4th, aperture switch plate 46, switchs aperture after being consolidated for similar materials
Piece 46 is removed to install anchor pole 104.
With reference to shown in Fig. 3-Fig. 5, Effects of Supporting experimental test procedures of the present invention are comprised the following steps：
Step 1, according to live roof condition, by the theory of similarity match certain particle diameter for simulating roof rock mass, coal body
Material, according to design anchor rod strength, according to the theory of similarity make simulation anchor pole 104；
Step 2, started by the lateral position hydraulic driving oil cylinder group 31 of control system Control release platform, make to move regulation
Platform 33 side shifting and reaches three-dimensional simulation state to the right, locking locking push rod 35, and bottom plate 42 is installed on into specified altitude assignment with structure
Into the base plate of simulation material packing space, two groups of detachable sideboards 15 in outside before and after installing will match what is completed in step 1
The bearing space that simulation material injection is surrounded by the front and rear two groups detachable sideboards 15 in outside and bottom plate 42, in thick middle
Degree position paving similar materials layer 202, and by multiple strain gauges 201 imbed similar materials layer 202 in, continue note
Enter simulation material until filling up, the covering of upper cover plate 44 is installed on bearing space top, afterwards pressurization compacting；
Step 3, the anchor pole arrangement density according to design, the anchor pole for obtaining simulated experiment using the theory of similarity arrange density,
And according to this arrangement density, the aperture switch plate 46 of upper cover plate 44 and bottom plate 42 is extracted out, and anchor rod body 105 is passed through anchor
Bar mounting hole 45, on top, anchor pole first 106 successively installs lock washer 109 and clamp nut 108, afterwards in bottom anchor pole head
106 successively install anchor rod pallet board 109 and clamp nut 108, successively finish all rockbolt installations；
Step 4, all rockbolt installations are finished after, upper cover plate 44 and bottom plate 42 are dismantled, start top compression oil cylinder
Group 2 can apply vertical load to model top, and starting lateral pressurization oil cylinder group 32 can apply horizontal load to model side, pass through
201 Monitoring Datas of strain gauge, can obtain suspension roof support stress state, realize the experiment test of Effects of Supporting.
In step 2, two groups of detachable sideboards 15 in outside, front and rear two before and after being increased according to the thickness of simulation rock stratum
The detachable sideboard 15 in group outside keeps highly consistent.In step 2, the lower surface and the upper table of bottom plate 42 of upper cover plate 44
Face is provided with multiple pluggable aperture switch plates 46, and aperture switch plate 46 is used to position the installation site of anchor pole to install anchor
Bar.
Effects of Supporting experimental test procedures of the present invention utilize above-mentioned similarity simulation experiment platform, and the experiment of the experimental bench is long
Degree and width can be adjusted, and can realize that three-dimensional simulation is tested, it is possible to achieve the three-dimensional simulation experiment to whole anchor rod system, be utilized
Above-mentioned experimental bench carries out supporting effect experiment test to anchor rod system, and test is simple, and the present invention can measure many in anchor rod system
The data in the overlaying influence area of the anchor force of individual anchor pole, the data that test is obtained are more reliable.
Similarity simulation experiment platform of the present invention and Effects of Supporting experimental test procedures are by Design of bolt support scheme
Simulation, with the reliability of proof scheme, additionally can further under different rock-layers occurrence condition such as：Soft rock, tight roof,
Breaking roof, general roof bolting mode and supporting mechanism are studied, and also can include anchor to supporting parameter research experiment
Distance between tie rods, anchorage length, the isoparametric research of anchor force, by the suspention of experimental verification Bolt Supporting Theory, built-up arch, combination
Beam, maximum horizontal stress.The experimental test procedures of Effects of Supporting proposed by the present invention, realize whole to anchor pole on experimental bench
The physics of body supporting effect is mutually simulated, can be to the line space of anchor pole, column pitch, anchorage depth, prestressing force size, anchoring strength
Experimental simulation is carried out etc. many key elements.
Embodiment above is only that the preferred embodiment of the present invention is described, and not the scope of the present invention is entered
Row is limited, and on the premise of design spirit of the present invention is not departed from, those of ordinary skill in the art make to technical scheme
The various modifications for going out and improvement, all should fall into the protection domain of claims of the present invention determination.
Claims (10)
1. a kind of similarity simulation experiment platform, it is characterised in that：Including testing table frame (1) and being arranged in experiment table frame (1)
Two groups of top compression oil cylinders group (2), two groups of lateral movement compression systems (3) and one group of Bolt System (4), the experiment
Table frame (1) is rectangular frame, the experiment table frame (1) including base (11), top flap (12), left side baffle plate (13),
Right-hand apron (14), the detachable sideboard (15) in multiple outsides, the detachable sideboard (15 ') in multiple inner sides, the base
(11), top flap (12), left side baffle plate (13), right-hand apron (14) surround the rectangular frame, and multiple outsides are detachable living
Dynamic baffle plate (15) is arranged on every group of outside of rectangular frame, and multiple detachable sideboards (15 ') in inner side are arranged on every group of rectangle
The bottom for being fixed on top flap (12), two groups of sides are arranged and are spaced before and after the inner side of framework, the top compression oil cylinder group (2)
Arranged in the interior time interval of experiment table frame (1) to mobile compression system (3), compression system (3) bag is displaced sideways described in every group
Include lateral position hydraulic driving oil cylinder group (31), laterally pressurize oil cylinder group (32), movement regulating platform (33), laterally pressurize baffle plate
(34), the lateral position hydraulic driving oil cylinder group (31) and lateral pressurization oil cylinder group (32) set each parallel to base (11)
Put, the mobile regulating platform (33) and lateral pressurization baffle plate (34) are each perpendicular to base (11) setting, the mobile regulation
The lower end of platform (33), the lower end of lateral pressurization baffle plate (34) are slidably connected with the base (11) respectively, the lateral position
The one end for putting hydraulic driving oil cylinder group (31) is fixed on the right flank in left side baffle plate (13), the lateral position hydraulic driving oil cylinder
The other end of group (31) is fixed on the left surface of the mobile regulating platform (33), and one end of lateral pressurization oil cylinder group (32) is consolidated
Be scheduled on the right flank of the mobile regulating platform (33), the other end of lateral pressurization oil cylinder group (32) be fixed on it is described lateral plus
The left surface of pressure baffle plate (34), multiple detachable sideboards in outside (15) are arranged side by side and the detachable sideboard in outside
(15) two ends are connected with the mobile regulating platform (33) and the right-hand apron (14) respectively, and multiple inner sides are detachably lived
Dynamic baffle plate (15 ') be arranged side by side and the detachable sideboard (15 ') in inner side two ends respectively with the mobile regulating platform (33) and
Right-hand apron (14) connection, Bolt System (4) arrangement in experimental framework (1), Bolt System (4) bag
Spaced apart multiple T-shaped brackets (41), upper cover plate (44), bottom plate (42) are included, under the vertical section of the T-shaped bracket (41)
End is fixedly connected with base (11), and the horizontal segment of multiple T-shaped brackets (41) is located at sustained height, bottom plate (42) branch
The top of the horizontal segment in the multiple T-shaped bracket (41) is supportted, the upper cover plate (44) is set and position parallel to bottom plate (42)
In the top of the bottom plate (42), lateral pressurization baffle plate (34), upper cover plate (44), bottom plate (42), right-hand apron
(14) simulation material bearing space, is formed between the detachable sideboard in outside (15), the detachable sideboard (15 ') in inner side.
2. similarity simulation experiment platform according to claim 1, it is characterised in that：Compression system is displaced sideways described in every group
(3) the locking push rod (35) being vertically arranged also is included, locking push rod (35) is with multistage and may be locked in optional position
Telescopic rod, the lower end of the locking push rod (35) is fixed on the upper end of the mobile regulating platform (33), the locking push rod
(35) upper end offsets with the bottom of top flap (12).
3. similarity simulation experiment platform according to claim 2, it is characterised in that：The Bolt System (4) also includes
At least two angle bar (43), two angle bar (43) are respectively fixedly connected with lateral pressurization baffle plate (34) and right-hand apron (14),
Two angle bar are located at sustained height.
4. similarity simulation experiment platform according to claim 3, it is characterised in that：Top compression oil cylinder group (2) described in every group
Including 8 the first oil cylinders.
5. similarity simulation experiment platform according to claim 4, it is characterised in that：Lateral position hydraulic-driven oil described in every group
Cylinder group (31) includes 3 the second oil cylinders.
6. similarity simulation experiment platform according to claim 5, it is characterised in that：Lateral pressurization oil cylinder group (32) described in every group
Including 3 the 3rd oil cylinders.
7. similarity simulation experiment platform according to claim 6, it is characterised in that：Also include control system, the control system
Unite for the keying and motion for controlling top compression oil cylinder group, lateral position hydraulic driving oil cylinder group, lateral pressurization oil cylinder group.
8. similarity simulation experiment platform according to claim 6, it is characterised in that：Also include control system, the control system
Unite the flexible of cylinder rod for controlling the first oil cylinder, the flexible of the cylinder rod of the second oil cylinder, the cylinder rod of the 3rd oil cylinder is stretched
Contracting.
9. a kind of Effects of Supporting experimental test procedures using similarity simulation experiment platform as claimed in claim 7 or 8, its
It is characterised by comprising the following steps：
Step 1, according to live roof condition, be used to simulate the simulation material of roof rock mass, coal body by certain sillar particle size distribution,
According to the anchor rod strength of design, multiple anchor poles of simulation are made according to similarity relation；
Step 2, experimental bench is adjusted to roadway support simulation model, and bottom plate (42) is installed on specified altitude assignment to constitute mould
Intend the base plate of material infilling space, two groups of detachable sideboards (15) in outside, will match the mould of completion before and after installing in step 1
Intend the bearing space that material injection is surrounded by the front and rear two groups detachable sideboards (15) in outside and bottom plate (42), in interposition
Put addition similar materials layer (202), and by multiple strain gauges (201) embedment similar materials layer (202) in, will
Upper cover plate (44) covering is installed on bearing space top, afterwards pressurization compacting；
Step 3, after filling simulation material consolidation, according to Design of bolt support scheme, remove bottom plate (42) and upper cover plate
(44) the pluggable aperture switch plate (46) of relevant position, anchor pole (105) is penetrated the rockbolt installation hole of specified location afterwards
(45) anchoring tray (109), is installed at two ends clamp nut (108) is installed afterwards, complete the installation of anchor pole；
Step 4, upper cover plate (44) and bottom plate (42) are dismantled, start top compression oil cylinder group and/or lateral pressurization oil cylinder group
The model that simulation material and anchor pole are formed is pressurizeed, Monitoring Data or extraneous auxiliary displacement deformation according to strain gauge
Monitoring, realizes the experiment test to Effects of Supporting.
10. Effects of Supporting experimental test procedures according to claim 9, it is characterised in that：In the step 2, on
The lower surface of cover plate (44) and bottom plate (42) upper surface are provided with multiple pluggable aperture switch plates (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119756.3A CN106769506B (en) | 2016-12-08 | 2016-12-08 | Similarity simulation experiment platform and Effects of Supporting experimental test procedures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611119756.3A CN106769506B (en) | 2016-12-08 | 2016-12-08 | Similarity simulation experiment platform and Effects of Supporting experimental test procedures |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106769506A true CN106769506A (en) | 2017-05-31 |
| CN106769506B CN106769506B (en) | 2019-04-02 |
Family
ID=58882477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611119756.3A Expired - Fee Related CN106769506B (en) | 2016-12-08 | 2016-12-08 | Similarity simulation experiment platform and Effects of Supporting experimental test procedures |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106769506B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007781A (en) * | 2017-11-17 | 2018-05-08 | 山东科技大学 | Roadway support mechanics simulation experiment system and its method under sound combined load |
| CN110849688A (en) * | 2019-11-29 | 2020-02-28 | 中国石油大学(华东) | Model test device for coupling effect of anchoring force loss of prestressed anchor rod (cable) and tunnel aging deformation |
| CN112858016A (en) * | 2021-01-04 | 2021-05-28 | 曾令锋 | Building pile foundation detection device |
| CN114441323A (en) * | 2021-12-24 | 2022-05-06 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Double-acting-cylinder coordinated loading test bed and coordinated loading test method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932169A (en) * | 2006-09-29 | 2007-03-21 | 北京交通大学 | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| CN205483810U (en) * | 2016-01-12 | 2016-08-17 | 河南工业和信息化职业学院 | Coal mine tunnel anchor bolt support nondestructive test laboratory bench |
| CN105891447A (en) * | 2016-05-05 | 2016-08-24 | 安徽理工大学 | Similarity test device and visualizing method for bearing fault mining activation and water bursting channel forming process |
| CN205562534U (en) * | 2016-01-21 | 2016-09-07 | 贵州理工学院 | Low coverage coal seam group bao shui exploitation simulation modeling experiment device |
| CN105973695A (en) * | 2016-07-29 | 2016-09-28 | 湖南科技大学 | Constant pressure loading device for similarity simulation experiments |
-
2016
- 2016-12-08 CN CN201611119756.3A patent/CN106769506B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1932169A (en) * | 2006-09-29 | 2007-03-21 | 北京交通大学 | Analogue experiment stand for interreaction of tunnel structure, surrounding rock and underground water |
| CN205483810U (en) * | 2016-01-12 | 2016-08-17 | 河南工业和信息化职业学院 | Coal mine tunnel anchor bolt support nondestructive test laboratory bench |
| CN205562534U (en) * | 2016-01-21 | 2016-09-07 | 贵州理工学院 | Low coverage coal seam group bao shui exploitation simulation modeling experiment device |
| CN105891447A (en) * | 2016-05-05 | 2016-08-24 | 安徽理工大学 | Similarity test device and visualizing method for bearing fault mining activation and water bursting channel forming process |
| CN105973695A (en) * | 2016-07-29 | 2016-09-28 | 湖南科技大学 | Constant pressure loading device for similarity simulation experiments |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007781A (en) * | 2017-11-17 | 2018-05-08 | 山东科技大学 | Roadway support mechanics simulation experiment system and its method under sound combined load |
| CN108007781B (en) * | 2017-11-17 | 2020-05-22 | 山东科技大学 | Dynamic and static combined load roadway support body mechanical simulation test system and method thereof |
| CN110849688A (en) * | 2019-11-29 | 2020-02-28 | 中国石油大学(华东) | Model test device for coupling effect of anchoring force loss of prestressed anchor rod (cable) and tunnel aging deformation |
| CN110849688B (en) * | 2019-11-29 | 2023-05-16 | 中国石油大学(华东) | Model test device for coupling effect of prestress anchor rod (cable) anchoring force loss and tunnel aging deformation |
| CN112858016A (en) * | 2021-01-04 | 2021-05-28 | 曾令锋 | Building pile foundation detection device |
| CN114441323A (en) * | 2021-12-24 | 2022-05-06 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Double-acting-cylinder coordinated loading test bed and coordinated loading test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106769506B (en) | 2019-04-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108226447B (en) | Three-dimensional simulation test device and test method for underground coal mining surface movement | |
| US10991271B2 (en) | Coal measures fault formation simulation experiment device and normal and reverse fault simulation experiment method | |
| CN106769506A (en) | Similarity simulation experiment platform and Effects of Supporting experimental test procedures | |
| CN108732024B (en) | Test system and test method for simulating water inrush of bottom plate under different ground stress conditions | |
| CN107831009A (en) | Coal mine roadway side portion's anchor pole or anchorage cable anchoring analogue experiment installation and its experimental method | |
| CN108072570B (en) | Device and method for testing soil pressure of anchor plate retaining wall under different displacement modes | |
| CN108613885B (en) | Indoor test method for simulating pile side post grouting | |
| CN105204088B (en) | Tectonic stress field simulation test device and method | |
| CN108956933B (en) | Method and device for simulating reverse fault formation in laboratory | |
| CN107219128B (en) | Device and method for simulating stress distribution of coal measure strata under action of multi-stage structure movement | |
| DE102006006242A1 (en) | Execution method for static load test at stakes or columns, involves displacing measuring point, opposite reference measuring point independent of counter bearings, connected with stake head or column head | |
| CN110987607B (en) | Nested multi-coupling model test system and test method for dam body of coal mine underground reservoir | |
| CN110940571B (en) | Test device for simulating dynamic soil arch effect of shed frame structure | |
| US20230154357A1 (en) | Angle-adjustable three-dimensional physical simulation device for equivalent coal seam mining | |
| CN213875269U (en) | Multifunctional tunnel model test device | |
| CN106996302A (en) | Bore the integrated anchorage technology multi-function test stand of envelope note and its test method | |
| CN206945390U (en) | A kind of automatic compact device for analog simulation experiment | |
| CN108760370A (en) | Multi-angle oblique rock stratum roadway support analog simulation experimental rig and test method | |
| CN105738214B (en) | A kind of performance testing device and its application method of mine roof material reinforced material | |
| CN204064816U (en) | Coal mine roadway wall-rock crack evolutionary process simulating table | |
| CN106525538A (en) | Material compacting device for similar material simulation test and using method | |
| CN104266920B (en) | Loose material anchoring effect physical model test device and method under a kind of dynamic action | |
| AU2021277732B2 (en) | Large visual direct shear experiment platform for solid filling materials | |
| CN206920440U (en) | A kind of analog simulation device of reproducible geology normal fault forming process | |
| CN206038342U (en) | Quantification research tunnel country rock comes to nothing and malactic power test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20191208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |